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NYC Area January 26-27 Bomb Discussion and OBS


earthlight

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I don't see any reason for the SREF's to not tick southeast at least...they run off 00z data so anything major won't be ingested. If we're going to see stuff back up to a different solution it will be with the 06z NAM/GFS.

This year, guidance is guiding me to radar and obs.

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The Euro is actually on the south side of most globals. The UK and GGEM were nearly identical at 30 hrs with the deformation banding...UK was still good despite the reports that it was well east.

Its a solid 0.75 - 1" still for our area after bombing DC/Balt

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Given how much the 12z GFS/NAM messed up the ongoing precip over VA/MD/DE, I don't have a ton of faith in them. (The GFS was better than the NAM, but still way underestimated the western extent of the precip over the mid-Atlantic).

12z GFS 6-hour precip. valid 12z Wed:

post-88-0-56509400-1296026551.png

00Z GFS 6-hour precip valid 12z Wed:

post-88-0-26399000-1296026539.png

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212am Wednesday morning here with steady light snow - you heard me right - that was NO typo - we have snow - at 34 degrees.

I am beginning to think here in north VA we may end up with snow throughout the day Weds just like Maryland.

I never expected snow tonight (early this morning).

I expected rain tonight then RA/SN during the day Weds, then the snow Weds night.

What a sweet surprise. LWX better get on the ball quick or else face a public relations disaster.

I know we weren't supposed to get snow from the slp - But, WE ARE getting snow from the slp.

Temp has fallen to 33 degrees in the snow. Dewpoint is 26 degrees and holding serve.

looking at the obs in the mid atl thread. nw side of dc is snow....... so that bodes well up here hopefully.

edit: dc is reporting snow

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Yes, I think the RUC is on to something that the GFS and NAM are missing, given the current extent and movement of precip. in VA/MD/DE. However, the RUC does seem about 50 miles too far NW with the precip and the advancement of warm air aloft based on current trends.

Notice how the 3 hour RUC is already too slow with the northeastward advancement of the precip. over the Delmarva as well.

Parts of the NYC area (esp. central NJ, LI, and coastal CT) may be in for an early "surprise" snow today.

The 06z RUC has some pretty good QPF tomorrow before the deformation banding even gets here. It's amplified and west with the deformation as well. By the way..thermal profiles are borderline during the QPF but the RUC has a tendency to run warm aloft so take it for what it's worth.

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As a Greenday song suggests for this amazing winter, "it is something unpredictable but in the end its right, hope you had the time of your life." From Nimrod Greenday album Good Riddance (Time of Your Life). Think about that when you look at the models.

Oh sweet I was waiting for somebody whip out the late night inspirational lyrics.

Let's get some Bruce Springsteen goin--then we can call it a party.

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http://w1.spc.woc.noaa.gov/exper/mesoanalysis/s17/pchg/pchg.gif?1296027003562

this is the latest.. i could weenie myself into saying its west of where the euro put it but ehh wont go that far, but the euro is the only model i compared this too, in terms of surface low placemement.

It looks nothing like the 00z NAM 06 hour forecast (yes I know it 07z, but it's not even close).

The NAM is 25-50 miles too far south and east and roughly 4hpa too weak with the low over the Carolinas which is heading north towards HSE.

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